10012221212101 has 2 divisors, whose sum is σ = 10012221212102. Its totient is φ = 10012221212100.

The previous prime is 10012221212093. The next prime is 10012221212111. The reversal of 10012221212101 is 10121212221001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5625311907076 + 4386909305025 = 2371774^2 + 2094495^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012221212101 - 2³ = 10012221212093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012221212111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006110606050 + 5006110606051.

It is an arithmetic number, because the mean of its divisors is an integer number (5006110606051).

Almost surely, 2^{10012221212101} is an apocalyptic number.

It is an amenable number.

10012221212101 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012221212101 is an equidigital number, since it uses as much as digits as its factorization.

10012221212101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10012221212101 its reverse (10121212221001), we get a palindrome (20133433433102).

The spelling of 10012221212101 in words is "ten trillion, twelve billion, two hundred twenty-one million, two hundred twelve thousand, one hundred one".